FAQ
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Does it require WooCommerce?
Section titled “Does it require WooCommerce?”Yes. Anchor only boots when WooCommerce is active; if it is missing, Anchor shows an admin notice and does nothing. The bar appears only on single product pages (is_product()).
What can I actually configure?
Section titled “What can I actually configure?”Two things, on WooCommerce → Anchor: an enable toggle, and a scroll threshold in pixels (0-5000, default 300). That is the whole settings screen.
Can I put the bar at the top, or show it only on mobile?
Section titled “Can I put the bar at the top, or show it only on mobile?”No. The bar is always fixed to the bottom of the viewport, and there is no per-device show/hide. Both are fixed by design to keep the bar simple and predictable. The only timing control is the scroll threshold.
Can I add a thumbnail or a quantity field to the bar?
Section titled “Can I add a thumbnail or a quantity field to the bar?”No. The bar shows the product title, the price and the buy button only. There are no toggles for a thumbnail or a quantity field, the bar is intentionally slim.
Does it work with variable products?
Section titled “Does it work with variable products?”Yes. Before a selection the bar shows a Choose options button that scrolls back to the variation selectors. Once a valid variation is chosen, the bar copies its price and enables the add button, driven by WooCommerce’s native found_variation / reset_data / hide_variation events.
When exactly does the bar appear?
Section titled “When exactly does the bar appear?”When the native add-to-cart form has scrolled up and out of the viewport by the scroll threshold you set. It hides again when you scroll back up to the form. The reveal uses an IntersectionObserver, with a throttled scroll-position fallback where no form.cart is present.
Will it slow my product pages down or shift the layout?
Section titled “Will it slow my product pages down or shift the layout?”No. The stylesheet and script load only on single product pages, only when the bar is enabled, and the script is deferred in the footer. The bar is position: fixed and starts hidden, so revealing it causes no Cumulative Layout Shift.
Does it add jQuery?
Section titled “Does it add jQuery?”No. Anchor ships no jQuery of its own. For variation sync it only listens to the events WooCommerce already emits using the jQuery WooCommerce loads. Without it, the bar stays in its safe Choose options state.
Is it accessible?
Section titled “Is it accessible?”Yes. The bar is an ARIA region with an accessible label, toggles aria-hidden on reveal, announces variable-product price changes via an aria-live region, keeps a visible focus ring, and respects prefers-reduced-motion. It is also dark- and light-mode aware via prefers-color-scheme.
Can I restyle it to match my theme?
Section titled “Can I restyle it to match my theme?”Yes, with CSS. The bar’s colours, spacing and radius are exposed as --anchor-* custom properties and inherit your theme’s preset colours where available. There is no template to copy into your theme; override the custom properties in your stylesheet instead.
What does it store, and what happens when I delete it?
Section titled “What does it store, and what happens when I delete it?”Two options in your own database: anchor_settings (the two settings) and anchor_db_version (a schema marker). There is no per-product data and no custom table, and Anchor contacts no external service. Deleting the plugin removes both options.